when the fifth bulb is connected, will the current out of the battery increse, descrease or remain the same
Answers
As more bulbs are connected to the circuit, the current will decrease in a series circuit.
In an series circuit consisting of light bulbs powered by batteries, we know that the more bulb is added to the series circuit, the greater the resistance will be, because Ohms Law stated that current (I) equals to the voltage (V) divided by resistance (R), expressed with the following formula:
I=V/R
Using this formula we can conclude that the greater the resistance is, the lower the current output will be, hence adding more and more lightbulb to the series circuit will increase the resistance and lower the overall current.
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Related Questions
Choose two other elements from the periodic table that you predict should react to form something like table salt
Please pleassssss helppp
I give branlistttttt
Answers
10.21 lab: warm up: drawing a right triangle This program will output a right triangle based on user specified height triangleHeight and symbol triangleChar.
(1) The given program outputs a fixed-height triangle using a * character. Modify the given program to output a right triangle that instead uses the user-specified triangleChar character. (1 pt)
(2) Modify the program to use a nested loop to output a right triangle of height triangleHeight. The first line will have one user-specified character, such as % or *. Each subsequent line will have one additional user-specified character until the number in the triangle's base reaches triangleHeight. Output a space after each user-specified character, including after the line's last user-specified character. (2 pts)
Example output for triangleChar = % and triangleHeight = 5:
Enter a character:
%
Enter triangle height:
5
% % % % % % % % % % % % % % %
Answers
To modify the program to output a right triangle using the user-specified triangleChar character and height triangleHeight, follow these steps:
1. First, take the user input for triangleChar and triangleHeight.
2. Next, create a nested loop, with the outer loop representing the height of the triangle and the inner loop representing the width of each row.
3. For each row, output the user-specified character triangleChar and a space, iterating as many times as the current height of the outer loop (row number).
4. After completing the inner loop for a row, output a newline character to start a new row.
Here's an example implementation in Python:
```python
triangleChar = input("Enter a character:\n")
triangleHeight = int(input("Enter triangle height:\n"))
for i in range(1, triangleHeight + 1):
for j in range(i):
print(triangleChar, end=" ")
print()
```
When you run this program and input % as triangleChar and 5 as triangleHeight, the output will be:
```
%
% %
% % %
% % % %
% % % % %
```
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a 1-w, 350-ω resistor is connected to 24 v. Is this resistor operating within its power rating?
Answers
Answer:
No.
Explanation:
\(P_r\) = Power rating = 1 W
R = Resistance = \(350\ \Omega\)
V = Voltage = \(24\ \text{V}\)
Power is given by
\(P=\dfrac{V^2}{R}\\\Rightarrow P=\dfrac{24^2}{350}\\\Rightarrow P=1.65\ \text{W}\)
\(1.65\ \text{W}>1\ \text{W}\)
So
\(P>P_r\)
Hence, the resistor is not operating within its power rating.
The Role of Fuel Cells in Renewable Energy Solutions
Answers
Answer:
chemical energy directly
A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 50 kPa. At the entrance of the turbine the temperature is 450 deg C. The isentropic efficiency of the turbine is 94 percent, pressure and pump losses are negligible, and the water in the condenser is subcooled by 6.3 degC. The boiler is sized for a mass flow rate of 20 kg/s. Determine the rate at which heat is added in the boiler, the power required to operate the pumps, the net power produced by the cycle, and the thermal efficiency.
Answers
Answer:
the rate at which heat is added in the boiler = 59597.4 kW
the power required to operate the pumps = 122.57 kW
The net power produced by the cycle = 17925 kW.
The thermal efficiency = 30%.
Explanation:
The specific enthalpy of saturated liquid is equal to the enthalpy of the first point which is equal to 314 kJ/ kg.
The second enthalpy is calculated from the pump work. Therefore, the second enthalpy = first enthalpy point + specific volume of water [ the pressure of the boiler - the pressure of the condenser].
The second enthalpy = 314 + 0.00103 [ 6000 - 50 ] = 320.13 kJ/kg.
The specific enthalpy for the third point = 3300 kJ/kg.
Therefore, the rate at which heat is added in the boiler = 20 × [3300 - 320.13] = 59597.4 kW.
The rate at which heat is added in the boiler = 59597.4 kW.
Also, the power required to operate the pumps = 20 × 0.00103 [6000 - 50] = 122.57 kW.
The power produced by the turbine = 20 [ 300 - ( the fourth enthalpy value)].
The fourth enthalpy value = 3300 - 0.94 [ 3300 - 2340] = 2397.6 kJ/kg
Thus, the power produced by the turbine = 20 [ 300 - 2397.6] = 18048 kW.
The power produced by the turbine = 18048 kW.
The net power produced = 18048 + 122.57 = 17925 kW.
The thermal efficiency = [net power produced] / [the rate at which heat is added in the boiler].
The thermal efficiency = 17925/ 59597.4 = 30%.
Do not ________________ a tool. *
-clean up
-force
-stop
-unplug
Answers
The linkage consists of two 6-kg rods AB and CD and a 26-kg bar BD. When ? = 0?, rod AB is rotating with an angular velocity ? = 2 rad/s. Rod CD is subjected to a couple moment of M = 30 N?m. Determine ?, measured counterclockwise, at the instant ? = 90?
Answers
The final angular position of the system is therefore 330 radians.
The linkage system is shown below. A 26 kg rod BD is connected to 2 six kg rods AB and CD. When the angle theta is equal to zero, rod AB is rotating with an angular velocity of 2 rad/s. Rod CD is subjected to a moment of 30 Nm. We are asked to determine the angle theta, measured counterclockwise, at the instant theta is equal to 90 degrees. link Rod AB can be modeled as a particle at point A of the diagram.
The moment of inertia of rod AB with respect to A is:
\(I_A_B= 1/12(6 kg)(.5 m)= .25 kgm^2\)
The angular momentum of rod AB at the beginning is given by:
\(L_A_B= I_A_B(w_A_B)= (.25 kgm^2)(2 rad/s)= .5 kgm^2/s\).
linkRod CD can be modeled as a particle at point C of the diagram. The moment of inertia of rod CD with respect to C is:
\(I_C_D= 1/12(6 kg)(.5 m)^2= .25 kgm^2\)
The angular momentum of rod CD at the beginning is zero, since
\(w_C_D= 0\)
linkRod BD can be modeled as a particle at point B of the diagram. The moment of inertia of rod BD with respect to B is:
\(I_B_D= 1/3(26 kg)(.5 m)^2= 4.33 kgm^2\)
The distance between points B and C is 1 meter. Since rod CD is subject to a moment, there is no change in angular momentum between C and D.
Therefore, the angular momentum of rod BD at the beginning is:
\(L_B_D= I_B_D(w_B_D)= I_B_D(w_C_D)= 0\)
Since there are no external torques acting on the system, angular momentum is conserved. The total angular momentum of the system at the beginning must be equal to the total angular momentum at the end.
\(L_A_B+ L_C_D+ L_B_D=L_A_B' + L_C_D' + L_B_D'\)
The final angular momentum of rod AB is:
\(L_A_B'= I_A_B(w_A_B')\)
The final angular momentum of rod CD is:
\(L_C_D'= I_C_D (w_C_D')\)
The final angular momentum of rod BD is:
\(L_B_D'= I_B_D w_B_D'\)
However, we don't know w_AB' or w_BD'.
We only know that w_CD' is zero since the moment is only applied to rod CD. We can find w_AB' and w_BD' by using the equation:
\(0= L_A_B'+ L_C_D'+ L_B_D'- L_A_B- L_C_D- L_B_D\)
The moment of inertia for each rod is known, so we only need to find the final angular velocity of rod AB and rod BD. Solving for w_AB', we get:
\(w_A_B'= 3.67 rad/s\)
Solving for w_BD', we get:
\(w_B_D'= -1.83 rad/s\)
Note that the negative sign indicates that the rotation of rod BD is clockwise.
Now that we know the final angular velocity of rod AB and BD, we can find the final angular position of the system by integrating the angular velocity with respect to time. Since we are given that the system is initially at rest, we can set the initial angular position to zero.
Therefore, the final angular position of the system is:
\(theta= w_A_B' t = (3.67 rad/s)(90 s) = 330 rad\)
The final angular position of the system is therefore 330 radians.
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if the aircraft's transponder fails during flight within class b airspace,
Answers
If the aircraft's transponder fails during flight within Class B airspace, the pilot should immediately notify air traffic control (ATC) using the appropriate radio frequency, follow any instructions given by ATC, and adhere to established procedures for aircraft without a functioning transponder.
What should a pilot do if the transponder on their aircraft malfunctions while flying within Class B airspace?In the event of a transponder failure while in Class B airspace, it is crucial for the pilot to take immediate action. The first step is to promptly notify air traffic control (ATC) of the situation using the designated radio frequency. This communication ensures that ATC is aware of the transponder failure and can provide necessary guidance and instructions. The pilot should then comply with any directives given by ATC, which may include specific altitude or heading instructions.
Additionally, the pilot must adhere to established procedures for aircraft operating without a functioning transponder within Class B airspace. These procedures typically involve maintaining vigilance, flying predictable patterns, and using visual signals as necessary to communicate with other aircraft.
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Which of these is not a reason we might want to measure the size of the economy?
O To track the magnitude of recessions
O To estimate the productive capacity of the country in case of war.
O To measure the happiness of people
O To compare living standards in different countries.
Answers
Measuring the size of the economy is important for various reasons, including tracking the magnitude of recessions, estimating the productive capacity of the country in case of war, and comparing living standards in different countries. However, measuring the happiness of people is not a direct reason for measuring the size of the economy, although some economists might argue that a larger economy generally leads to higher living standards and, therefore, greater happiness.
Answer: C
Explanation:
C. Happiness is important but it is not measurable
specimen m (1008 steel) has an astm grain size number of 8, specimen n (1008 steel) has an astm grain size number of 7, specimen p (1008 steel) has an astm grain size number of 5, specimen q (1008 steel) has an astm grain size number of 4 . which specimen has larger number of grains?
Answers
Specimen P (1008 steel) has a larger number of grains compared to the other specimens.
How does the ASTM grain size number relate to the number of grains?The ASTM grain size number provides a measure of the average grain size in a metal specimen. The higher the grain size number, the smaller the average grain size. In other words, a larger grain size number corresponds to a smaller number of grains in a given area. Therefore, since Specimen P has the lowest ASTM grain size number of 4, it indicates a larger number of grains compared to Specimen Q (grain size number 4), Specimen N (grain size number 7), and Specimen M (grain size number 8).
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In which situation is a are food service workers not required to wash their hands?
Answers
Answer:
when wearing gloves?
Explanation:
?
or when off duty
Answer:
When off duty
Explanation:
in cold climates, water pipes may freeze and burst if proper precautions are not taken. In such an occurrence, the exposed part of a pipe on the ground ruptures, and water shoots up to a height z2, of 52 m. Estimate the gage pressure of water in the pipe. The gage pressure of water in the pipe is determined to be kPa..
Answers
Answer:
Gauge Pressure = 408.3 KPa
Explanation:
The pressure inside the pipe can be given in terms of the elevation, by the following formula:
P = ρgΔz
where,
P = Absolute Pressure = ?
ρ = Density of Water = 1000 kg/m³
g = acceleration due to gravity = 9.8 m/s²
Δz = elevation = 52 m
Therefore,
P = (1000 kg/m³)(9.8 m/s²)(52 m)
P = 509.6 KPa
Now, for gauge pressure:
Gauge Pressure = P - Atmospheric Pressure
Gauge Pressure = 509.6 KPa - 101.3 KPa
Gauge Pressure = 408.3 KPa
What Is Soil Tunneling?
Answers
Answer:
A tunnel built in soft ground—such as clay, silt, sand, gravel or mud—requires specialized techniques compared to hard rock, to compensate for the shifting nature of the soil.
It's from web...
Soft ground tunneling describes the additional measures needed when Microtunneling through soil conditions that are vulnerable to collapse. ... This process ensures tunneling can happen effectively in soft grounds.
It's from me...
Consider a cogeneration power plant modified with regeneration. Steam enters the turbine at 9800 kPa and 440 0C and expands to a pressure of 1070.8 kPa. At this pressure, 0.3 of the steam is extracted from the turbine, and the remainder expands to 6 kPa. Part of the extracted steam is used to heat the feedwater in an open feedwater heater. The rest of the extracted steam is used for process heating and leaves the process heater as a saturated liquid at 1070.8 kPa. It is subsequently mixed with the feed-water leaving the feed-water heater, and the mixture is pumped to the boiler pressure. Assume the turbines and the pumps to be isentropic. Determine the following:
a. he total power output of the turbine is: _________
b. The temperature rise of the cooling water from the river in the condenser is: _________
c. The mass flow rate of steam through the process heater is: __________
Answers
In the given cogeneration power plant with regeneration, we need to determine the total power output of the turbine, the temperature rise of the cooling water in the condenser, and the mass flow rate of steam through the process heater.
a. To calculate the total power output of the turbine, we need to consider the extraction process and the expansion of steam in the turbine. The power output can be determined by the difference in enthalpy between the inlet and outlet conditions. We can calculate the power output for the main turbine expansion and the power output for the extraction process separately. The total power output is the sum of these two values.
b. The temperature rise of the cooling water in the condenser can be determined by the energy balance equation. The heat rejected by the steam in the condenser is equal to the heat gained by the cooling water. By knowing the mass flow rate and specific heat capacity of the cooling water, we can calculate the temperature rise.
c. The mass flow rate of steam through the process heater can be determined by considering the energy balance equation. The heat gained by the feedwater in the process heater is equal to the heat transferred from the extracted steam. By knowing the specific enthalpy of the extracted steam and the specific enthalpy of the saturated liquid at the given pressure, we can calculate the mass flow rate.
To obtain numerical values for these parameters, specific data such as specific enthalpies, specific heat capacities, and mass flow rates of the steam and cooling water are required. Without these specific values, it is not possible to provide the exact calculations.
In summary, to determine the total power output of the turbine, the temperature rise of the cooling water in the condenser, and the mass flow rate of steam through the process heater, detailed information regarding specific properties and mass flow rates is necessary.
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The term route of entry on an SDS refers to the way a _____ enters the body
Answers
Answer:
No matter what u post on a football page, some fatherless dude will either say "pessi" or "penaldo"
Using a roof calculator or rafter length guidebook, calculate the theoretical length of the common rafters for a gable roof on a building which is 12’ wide by 36’ long, with a slope of 5/12.
Answers
Answer:
35 feet
Explanation:
A closed section will have a/an
a. top surface.
b. bottom surface.
c. interior surface.
d. side surface
Answers
Answer:
b
Explanation:
A closed section will have a bottom surface.
Why is the reasoning important when you make a scientific argument?
Answers
Some_____
include peanut butter, bacon, and chocolate.
Snap traps baits
Glue boards
Catchalls
IGRs
Bait stations
Answers
Answer:
it’s IGS
Explanation:
because i read
Answer:
snap trap baits
Explanation: its kind of obvi, but i took the test and got it right.
if a steam gauge is located 15 ft. above the steam header and if the gauge reads 450 psi, what is the pressure in the steam line?
Answers
The pressure in the steam line is 1,44 atm.
Streamlined defined as a graph showing the pressure at which a liquid and its vapor are in equilibrium at any temperature. Steam pressures and temperatures in current practice have reached 97–164 bar and 480–565°C or 593°C. The rate of enhancement in efficiency with enhancement in pressure becomes less as the pressure enhances. The steam work through from the boiler into the steam mains. Firstly, the pipework is cold and heat is transformed into it from the steam. The air surrounding the pipes is also cooler rather than the steam, so the pipework will begin to lose heat to the air. Insulation fitted around the pipe will reduce this heat loss considerably.
The height of a steam gauge = 15 ft = 4,572 m
the gauge reads 450 psi
1 psi = 14.7 atm
450 psi = 6,615 atm
We can use this formula to calculate the pressure:
P = F/h
Pressure (P) = 6,615 atm : 4,572 m = 1,44 atm
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b. With the aid of a good sketch explain the principle part of the following. i, Blasts mirth forge ii, Anvil
Answers
i) Blasts mirth forge: This term seems to be a combination of different elements. "Blasts" typically refers to a strong gust of air or explosive force, while "mirth" refers to amusement or laughter. "Forge" refers to a furnace or workshop where metal is heated and shaped. Based on these individual meanings, "blasts mirth forge" could possibly suggest a metaphorical combination of energetic or explosive joy with the transformative process of shaping or refining, possibly in a creative or artistic context.
ii) Anvil: An anvil is a heavy and sturdy metal block with a flat surface used in metalworking. It is typically made of steel or iron and serves as a surface against which metal is hammered or shaped. The anvil provides a solid and stable base for the workpiece and helps to shape and form the metal through the application of force.
What is wrong with the following code?
6
print (what is your name?)
Answers
Answer:
pakipic na lang po question nyo para masagot po
Explanation:
please po di ko masyado gets po e
it is simple the title name after all it is just asking your name
In Female, the twenty-third pair of chromosomes is called in in
Answers
The repair and rehabilitation of damaged or spalled concrete is done by removing the:____________A. Loose concreteB. CollapsingC. BreakageD. Bonding
Answers
Answer:
A. Loose concrete
Explanation:
Concrete is a solid composite structural material.It is the most used component in setting up a structure. Concrete is known for its very good ability to bear load, but can sometimes fail, or can be damaged. To rehabilitate or repair a concrete, the loose concrete must first be removed, so that the surface can be cleaned and well set before the material used for repair is applied on it.
Considering how likely the risk is to affect the company’s profits is part of which component of risk management?
Risk identification
Risk assessment
Risk control
Risk mitigation
Answers
Two steels are being considered for manufacture of as-forged connecting rods subjected to bending loads. One is AISI 4340 Cr-Mo-Ni steel capable of being heat-treated to a tensile strength of 260 kpsi. The other is a plain carbon steel AISI 1040 with an attainable ultimate tensile strength of 113 kpsi. Each rod will have an equivalent diameter of 0.75 inches. Determine the endurance limit for each material and in a few sentences comment on the different advantages and drawbacks of each material for this application
Answers
There is no advantage in using alloy steel for this fatigue application because the endurance strength of alloy steel is lower than that of carbon steel.
The greatest load that a material can withstand before showing significant fatigue or severe flaws is referred to as endurance strength. A fatigue test is used to assess endurance strength. If the load is less than the components' tensile strength during this test, they may crack.
For instance, the flake graphite cast iron's endurance strength is around 40 to 50% of its tensile strength. The relationship between tensile strength and endurance strength varies on the load. Only a definite number of loading cycles are tolerated before exhaustion sets in (fatigue limit) when stress exceeds the endurance strength.
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the va shear stress represents the maximum shear stress found anywhere in the structure. (you must provide an answer before moving to the next part.) group startstrue or false
Answers
The given statement "the va shear stress represents the maximum shear stress found anywhere in the structure" is false. The term "va" has no relevance to shear stress and therefore the statement cannot be true.
Let's further understand what shear stress is and how it is represented in a structure.Shear stress is the force that acts in parallel to a surface in opposite directions. It is also called tangential stress. Shear stress comes into play when two forces act parallel to each other but in opposite directions on an object. The formula to calculate shear stress is given as:T = F/AWhere T is shear stress, F is the applied force, and A is the cross-sectional area of the object.
The unit of shear stress is Pascal (Pa) in the SI system and psi (pound per square inch) in the Imperial system.However, the maximum shear stress found anywhere in the structure is represented by the symbol τ_max (tau-max). It is important to note that τ_max is not represented by the term "va" but by the symbol τ_max itself. Therefore, the given statement "the va shear stress represents the maximum shear stress found anywhere in the structure" is false.
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Short Answer
1. Give an example of four kinds of people who use the act of design on a daily basis.
2. Give five examples of items that have been designed.
3. What are the three major uses of models?
4. What is a prototype?
5.
Explain the differences between artistic design and engineering design.
Give three examples of sources from which researches can gather information.
7. Why are products tested at extremes?
Answers
A prototype is a rough model or sample of a system, product, or procedure that is created to test and validate concepts, features, and presumptions.
What is a prototype?It can be used to assess the design, gauge user reaction, and determine whether a notion is workable. Physical or digital prototypes can be made early in the product development cycle to iteratively enhance the design before going into production.
What is the difference between artistic design and engineering design?There are two different ways to approach design: artistic design and engineering design. Whereas engineering design stresses a product's technical viability and usefulness, artistic design places more emphasis on the aesthetics and emotional appeal of a piece of art or product. Whereas engineering design focuses on the function of a design, artistic design frequently emphasizes the aesthetic or emotional impact of a design.
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It is supposed that a machine, used for filling plastic bottles with a net volume of 16.0 oz, on average, does not perform according to specifications. An engineer will collect 15 measurements and will reset the machine if there is evidence that the mean fill volume is different from 16 oz. The resulting data from a random sample yield \overline{x}=16.0367x=16.0367 and s=0.0551. Should the engineer reset the machine with a level of significance 5%? Find also the pp-value.
Answers
Answer:
Explanation:
The null hypothesis is that the mean fill volume is 16 oz, and the alternative hypothesis is that the mean fill volume is different from 16 oz. The level of significance is 5%, and the sample size is 15. The test statistic is t=0.0367t=0.0367. The p-value is 0.9738.
Since the p-value is greater than the level of significance, we fail to reject the null hypothesis. Therefore, there is not enough evidence to conclude that the mean fill volume is different from 16 oz. The engineer should not reset the machine.
```
The test statistic is calculated as follows:
t = (x - μ) / s / sqrt(n)
= (16.0367 - 16) / 0.0551 / sqrt(15)
= 0.0367
The p-value is calculated using the t-distribution with 14 degrees of freedom.
p-value = 2 * t.cdf(-0.0367, 14)
= 0.9738
```
All of the following are derived units except ________.
Answers
The option that is not a derived units is known to be option E) kg.
What are derived units and examples?The units that are known to be used for any form of derived quantities are said to be called the derived units.
They are:
The meter per second (distance)Mole per cubic meterVolumeNote that this unit are derived because they are known to be derived because they have to be solved for using different ways. The others such as kg m-3 is one that need to be derived to arrive at it.
Therefore, based on the above, one can say that The option that is not a derived units is known to be option E) kg because it is one that cannot be derived,
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The following are derived units EXCEPT
Options
A) kg m-3
B)N
C)Ns
D)m3
E)kg